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LTM4649IY PDF预览

LTM4649IY

更新时间: 2024-01-29 15:54:24
品牌 Logo 应用领域
凌特 - Linear 开关输出元件
页数 文件大小 规格书
30页 1466K
描述
LTM4649 - 10A Step-Down DC/DC µModule (Power Module) Regulator; Package: BGA; Pins: 68; Temperature Range: -40°C to 85°C

LTM4649IY 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:BGA包装说明:BGA-68
针数:68Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:8.68其他特性:OUTPUT VOLTAGE RANGE FROM 0.6 VOLT TO 3.3 VOLT
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:16 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PBGA-B68JESD-609代码:e0
长度:15 mm功能数量:1
端子数量:68最高工作温度:125 °C
最低工作温度:-40 °C标称输出电压:1.5 V
封装主体材料:PLASTIC/EPOXY封装代码:BGA
封装形状:RECTANGULAR封装形式:GRID ARRAY
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:5.12 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:800 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn/Pb)端子形式:BALL
端子节距:1.27 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:9 mm
Base Number Matches:1

LTM4649IY 数据手册

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LTM4649  
10A Step-Down DC/DC  
µModule Regulator  
FEATURES  
DESCRIPTION  
n
10A DC Output Current  
TheLTM®4649isacomplete10Ahighefficiencyswitching  
mode step-down DC/DC µModule® regulator in a 9mm ×  
15mm×4.92BGApackage.Includedinthepackagearethe  
switching controller, power FETs, inductor, and all support  
components.Operatingoveraninputvoltagerangeof4.5V  
to 16V, the LTM4649 supports an output voltage range of  
0.6V to 3.3V, set by a single external resistor. This high  
efficiency design delivers 10A continuous current. Only  
bulk input and output capacitors are needed.  
n
Input Voltage Range: 4.5V to 16V  
n
Output Voltage Range: 0.6V Up to 3.3V  
n
No Heat Sink or Current Derating Up to 85°C Ambi-  
ent Temperature  
n
1.5ꢀ Total DC Voltage Output Error  
n
Multiphase Operation with Current Sharing  
n
Remote Sense Amplifier  
n
Built-In General Purpose Temperature Monitor  
Selectable Pulse-Skipping Mode/Burst Mode® Opera-  
n
Highswitchingfrequencyandacurrentmodearchitecture  
enable a very fast transient response to line and load  
changes without sacrificing stability. The device supports  
frequency synchronization, programmable multiphase  
operation, and output voltage tracking for supply rail  
sequencing.  
tion for High Efficiency at Light Load  
Soft-Start/Voltage Tracking  
Protection: Output Overvoltage and Overcurrent  
Foldback  
n
n
n
9mm × 15mm × 4.92mm BGA Package  
Fault protection features include output overvoltage and  
overcurrent protection. The LTM4649 is offered in a small  
9mm×15mm×4.92mmBGApackageavailablewithSnPb  
or RoHS compliant terminal finish.  
L, LT, LTC, LTM, Burst Mode, µModule, PolyPhase, Linear Technology and the Linear logo  
are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their  
respective owners. Protected by U.S. Patents, including 5481178, 5705919, 5929620, 6100678,  
6144194, 6177787, 6304066, 6580258 and 8163643. Other patents pending.  
APPLICATIONS  
n
Telecom, Networking and Industrial Equipment  
n
Point of Load Regulation  
TYPICAL APPLICATION  
4.5V to 16V Input, 1.5V Output DC/DC  
µModule Regulator  
Efficiency and Power Loss  
at 12V and 5V Input  
Current Derating: 12V Input,  
1.5VOUT, No Heat Sink  
95  
90  
3.0  
2.5  
12  
10  
8
CLKIN  
FREQ  
V
1.5V  
10A  
OUT  
V
IN  
4.5V TO 16V  
V
V
IN  
OUT  
V
OUT_LCL  
22µF  
16V  
×2  
INTV  
SW  
CC  
100µF  
6.3V  
×2  
DIFFOUT  
DIFFP  
85  
80  
2.0  
1.5  
RUN  
LTM4649  
MODE  
DIFFN  
6
PHMODE  
TRACK/SS  
V
FB  
COMP  
75  
70  
65  
1.0  
0.5  
0
4
6.65k  
TEMP  
GND  
PGOOD  
CLKOUT  
0.1µF  
400LFM  
200LFM  
0LFM  
2
V
V
= 12V  
= 5V  
IN  
IN  
4649 TA01a  
0
0
2
4
6
8
10  
0
40  
60  
80  
100  
120  
20  
LOAD CURRENT (A)  
4649 TA01b  
AMBIENT TEMPERATURE (°C)  
4649 TA01c  
4649fc  
1
For more information www.linear.com/LTM4649  

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